| Acronym | Meaning |
| TMB | Transportation Management Bulletin |
| HGR&SPTFAC | Hangar And Support Facility |
| TPR | Test ProblemReport |
| FOF | Flight Operations Facilities |
| RFO | Request For Order |
| NSI-I | NASA Standard Initiator-Type I (was SMSI) |
| MCCS | Mission Control Center Simulation (System) |
| MSE | Maintenance Support Equipment |
| CE | Civil Engineering |
| HHC | Hammer Head Crane |